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1. |
Evaluate the function f(x) = 2x3 - 6x + 1 for f(-2). |
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A. |
5 |
B. |
-35 |
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C. |
-3 |
D. |
37 |
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Hint |
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2. |
Find the zero of the function f(x) = -8x + 4. |
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A. |
-2 |
B. |
 |
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C. |
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D. |
2 |
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Hint |
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3. |
Solve the system of equations 2x + 3y = -7 and x - y = 4 by graphing. |
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A. |
 |
B. |
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C. |
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D. |
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Hint |
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4. |
Find the inverse of . |
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A. |
 |
B. |
 |
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C. |
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D. |
 |
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Hint |
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5. |
If the lumber mill can turn out 900 units of product each week and must produce 100 units of lumber and 400 units of plywood, graph the systems of inequalities. Let x = units of lumber, and y = units of plywood. |
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A. |
 |
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B. |
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C. |
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D. |
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Hint |
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6. |
For which line(s) is the graph of symmetric? |
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A. |
y = -1 |
B. |
y = 1 |
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C. |
x = 3 and y = -1 |
D. |
x = 3 |
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Hint |
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7. |
Suppose I = 0.05(0.6G - 400), where G = the gross monthly pay and I = the amount of the investment. Determine the equation which represents the inverse process. |
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A. |
G =  |
B. |
G =  |
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C. |
G =  |
D. |
G =  |
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Hint |
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8. |
Use a calculator to determine the value of cos 42° 39'. |
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A. |
1.360 |
B. |
0.678 |
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C. |
0.736 |
D. |
0.921 |
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Hint |
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9. |
Determine the number of possible solutions for , given A = 40°, a = 7, and b = 9. |
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A. |
one |
B. |
two |
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C. |
none |
D. |
three |
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Hint |
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10. |
Find Arcsin . |
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A. |
 |
B. |
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C. |
- |
D. |
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Hint |
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11. |
Find the rectangular coordinates of the point  |
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A. |
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B. |
(0, 4) |
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C. |
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D. |
(4, 4) |
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Hint |
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12. |
Write in rectangular form. |
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A. |
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B. |
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C. |
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D. |
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Hint |
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13. |
Find the coordinates of the midpoint of the segment that has endpoints at (-4, 7) and (2, -11). |
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A. |
(-2, -4) |
B. |
(-2, -1) |
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C. |
(-4, -2) |
D. |
(-1, -2) |
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Hint |
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14. |
Solve the system of equations algebraically. x2 - y2 = 12 x2 + 2y2 = 24 |
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A. |
(4, 2), (-4, -2) |
B. |
(2, 4), (-2, -4) |
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C. |
(±4, 2), (±4, -2) |
D. |
no solution |
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Hint |
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15. |
Write an equation of the line that passes through the points (-2, 4) and (6, -4). |
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A. |
 |
B. |
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C. |
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D. |
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Hint |
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16. |
Write the rectangular equation x2 + (y + 6)2 = 36 in polar form. |
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A. |
r = -6 sin  |
B. |
r = -12 sin  |
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C. |
r = 6 sin   |
D. |
r = 12 sin  |
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Hint |
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17. |
The equation of an ellipse is find the center and the foci. |
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A. |
(1, 4); (-1, 1) and (-1, 2) |
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B. |
(-2, 1);  |
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C. |
(-2, -1);  |
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D. |
(4, 1); (1, -1) and (2, -1) |
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Hint |
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18. |
Write the equation x2 + 4y2 + 8x - 8y + 16 = 0 in standard form. |
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A. |
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B. |
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C. |
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D. |
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Hint |
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19. |
Write an equation of an ellipse centered at the origin, with a = 4, b = 3 and the major axis on the y-axis. |
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A. |
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B. |
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C. |
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D. |
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Hint |
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20. |
Find the value of log9219 using the change of base formula. |
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A. |
0.2601 |
B. |
1.3862 |
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C. |
2.4527 |
D. |
3.1021 |
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Hint |
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